Yoshitaka TSUNEKAWA


Channel Capacity Evaluation of MIMO Antenna Based on Eigenvalues of S-Parameter
Naoki HONMA Kentaro MURATA Hiroshi SATO Koichi OGAWA Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 95-103
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
Keyword: 
MIMOcapacityS-parameter
 Summary | Full Text:PDF(3.2MB)

Estimating Living-Body Location Using Bistatic MIMO Radar in Multi-Path Environment
Keita KONNO Naoki HONMA Dai SASAKAWA Kentaro NISHIMORI Nobuyasu TAKEMURA Tsutomu MITSUI Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/11/01
Vol. E98-B  No. 11  pp. 2314-2321
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
MIMOliving-body locationDOA estimationmicrowave sensorarray antenna
 Summary | Full Text:PDF(4.3MB)

Fast MIMO Channel Calculation Technique for Multi-Antenna System Using Signal Modulation for FDTD Method
Kazuma OUCHIDA Naoki HONMA Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/11/01
Vol. E98-B  No. 11  pp. 2300-2306
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
FDTDsignal modulationchannel capacitymulti-antennaMIMO
 Summary | Full Text:PDF(1.6MB)

Interference Suppression Method between Primary Broadcasting and Secondary Systems Using Load Modulation
Takuma ITO Naoki HONMA Keisuke TERASAKI Kentaro NISHIMORI Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 861-869
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
load modulationfrequency sharinginterference controlchannel capacity
 Summary | Full Text:PDF(2.1MB)

Compact Antenna Arrangement for MIMO Sensor in Indoor Environment
Naoki HONMA Kentaro NISHIMORI Hiroaki SATO Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2491-2498
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Adaptive Array Antennas/MIMO
Keyword: 
MIMO sensorantennaelement spacing
 Summary | Full Text:PDF(2.5MB)

Non-iterative Algorithm of MIMO Adaptive Array Based on Correlation Matrix Including Parasitic Antennas
Naoki HONMA Kentaro NISHIMORI Takefumi HIRAGURI Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/07/01
Vol. E96-B  No. 7  pp. 1945-1952
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
adaptive arraytunable reactance deviceMIMOcorrelation matrix
 Summary | Full Text:PDF(1.5MB)

High-Performance VLSI Architecture of the LMS Adaptive Filter Using 4-2 Adders
Kyo TAKAHASHI Shingo SATO Tadamichi KUDO Yoshitaka TSUNEKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/02/01
Vol. E92-A  No. 2  pp. 633-637
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
adaptive filtercut-set retiming4-2AdderVLSI architecture
 Summary | Full Text:PDF(368.2KB)

Analysis of the Convergence Condition of LMS Adaptive Digital Filter Using Distributed Arithmetic
Kyo TAKAHASHI Yoshitaka TSUNEKAWA Norio TAYAMA Kyoushirou SEKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6  pp. 1249-1256
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
distributed arithmeticLMS algorithmadaptive function spaceconvergence conditionoffset bias
 Summary | Full Text:PDF(257.9KB)

High-Performance Multiprocessor Implementation for Block-State Realization of State-Space Digital Filters
Yoshitaka TSUNEKAWA Kyousiro SEKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/06/25
Vol. E77-A  No. 6  pp. 944-949
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1993 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC'93))
Category: Digital Signal Processing
Keyword: 
state-space digital filtermultiprocessor implementationblock-state realizationdistributed arithmetic
 Summary | Full Text:PDF(435.5KB)